Home > Parts and Accessories > Cases & Covers > End Caps, Plugs & Eyeguards >

  End Caps
  End Caps for Eyepieces, Telescopes and Accessories
 
Alternative Views

Product Information

We now offer a wide variety of plastic end caps in several styles, finish and sizes. The rigid and semi-rigid end caps can be made to fit slightly smaller sizes than those specified in the "Inside Diameter" column with the use of weather stripping easily found in hardware stores (not included).

If the size you need is not listed in the table below, then we do not carry it.

To see photos of the various end cap types, please click on the "Zoom" button above.

Key for end cap Type:
* R = Rigid (Stiff end caps typically use for telescope dewshields and larger binoculars)
* SR = Semi-Rigid (The most common type of semi-stiff end caps typically provided with eyepieces, finders, binoculars, etc.)
* F = Flexible (After-market end caps commonly used for pipe fittings, but work very well for astronomy equipment too)


Item
Inside Diameter (")
Inside Diameter (mm)Inside Depth
(")
Inside Depth
(mm)
Type
Color/Finish
Comments*
GW24.5
0.96524.5

FBlackBarrel end of 0.965" eyepieces/accessories
SS31.7 1.25
31.7
0.24
6
SR
Black
* Discontinued * Barrel end of 1.25" eyepieces/accessories
DC31.7
1.25
31.7
0.55
14
SR
Black     "
GS31.71.2531.7

SR
Milky-White     "
GW31.7
1.2531.7

F
Yellow     "
DC32 1.26 32     SR Black  
DC33.7 1.33 33.7 0.47 12 SR Black  
GW35.5
1.40
35.5


F
Yellow
Older Meade, Orion and other generic Plossls, Nagler 4.8mm, GSO 1.25" SuperViews
DC361.42360.287SRBlack     "
DC37.5
1.48
37.5
0.51
13
SRBlack
GW38
1.50
38


F
Yellow
Nagler Type 6, Takahashi LE and Vixen LV eyepieces
SS40
1.57
40
0.31
8
SRBlack* Discontinued *
GW42
1.65
42


F
Yellow
Male T ring threads and Vixen Lanthanum Superwide eyepieces
DC48
1.89
48
0.35
9
SR
BlackMeade Ultrawide 8.8, 14mm (previous Japanese made version), all Radians, Panoptic 41,35,27,22mm, Nagler Type 4 22,17,12mm, Nagler Type 5 31,26mm, TV Plossl 50,40,32mm, Meade QX 26,36mm
GW48.2
1.90
48.2


F
Yellow
     "
GWSCT
1.9048.2

SR
Red
For SCT Visual Backs
GS48.5 1.91 48.5 0.39 10 SR Black GSO 2" SuperViews
ZH50.8 2.00 50.8 0.31 8 SR Black  
GS50.8
2.00
50.8


SR
Milky-White
Barrel end of 2" eyepieces/accessories
GW50.8
2.00
50.8


F
Yellow
     "
DC51.5 2.03 51.5 0.31 8 SR Black  
GS56 2.17 56 0.79 20 SR Milky-White  
DC58
2.28
58
0.35
9
SR
Black
SS70
2.76
70
0.35
9
R
Black

DC76
2.99
76
0.47
12
SR
Black
DC833.27830.4311SRBlack
DC84
3.30
84
0.47
12
R
Black
DC85.8
3.38
85.80.5514SRBlack
DC953.74950.4712SRBlack
DC100
3.94
100
0.75
19
SR
BlackDiscontinued
DC116 4.57 116 0.31 8 R Black Discontinued Has a central opening of 53mm capped with an extra end cap; great for making a solar filter
DC137.2 5.40 137.2 0.51 13 R Black  Discontinued
DC143 5.63 143 0.51 13 R Black Has a central opening of 53mm capped with an extra end cap; great for making a solar filter
DC150
5.91
150
0.39
10
R
Black

DC165 6.50 165 0.51 13 R Black  Discontinued
DC195
7.68
195
0.67
17
R
Black
Metal, not plastic. Also, has an off-axis opening of 51mm capped with an extra plastic end cap. The edge of this smaller aperture is 23mm from the edge of the metal cap. Great for making a solar filter

* Suggested. However, we are not responsible for ensuring a perfect fit. For this, please be sure to measure your equipment and select the appropriate size based on the information provided above.


Prices below include FREE SHIPPING within the US via USPS First Class Mail

Item# Item Name Our Price Qty Add
EC01-GW-24.5 End Cap 01 - 0.965" (24.5mm)
Yellow, Flexible
$1.00
EC03-DC-31.7 End Cap 03 - 1.25" (31.7mm)
Black, Semi-Rigid
$1.75
EC04-GS-31.7 End Cap 04 - 1.25" (31.7mm)
Milky-White, Semi-Rigid
$2.25
EC05-GW-31.7 End Cap 05 - 1.25" (31.7mm)
Yellow, Flexible
$1.00
EC06-DC-32 End Cap 06 - 1.26" (32mm)
Black, Semi-Rigid
$1.75 (Out of Stock)
EC07-DC-33.7 End Cap 07 - 1.33" (33.7mm)
Black, Semi-Rigid
$1.75 (Out of Stock)
EC08-GW-35 End Cap 08 - 1.375" (35mm)
Yellow, Flexible
$1.25
EC09-DC-36 End Cap 09 - 1.42" (36mm)
Black, Semi-Rigid
$1.75
EC10-DC-37.5 End Cap 10 - 1.48" (37.5mm)
Black, Semi-Rigid
$1.75
EC11-GW-38 End Cap 11 - 1.5" (38mm)
Yellow, Flexible
$1.50
EC12-GW-42 End Cap 12 - 1.625" (42mm)
Yellow, Flexible
$1.50
EC13-DC-48 End Cap 13 - 1.89" (48mm)
Black, Semi-Rigid
$2.50
EC14-GW-48 End Cap 14 - 1.875" (48mm)
Yellow, Flexible
$1.75
EC15-GW-SCT End Cap 15 - For SCT Visual Back
Red, Semi-Rigid
$2.00
EC17-GS-48.5 End Cap 17 - 1.91" (48.5mm)
Black, Semi-Rigid
$3.00
EC19-ZH-50.8 End Cap 19 - 2" (50.8mm)
Black, Semi-Rigid
$2.75
EC20-GS-50.8 End Cap 20 - 2" (50.8mm)
Milky-White, Semi-Rigid
$3.00
EC21-GW-50.8 End Cap 21 - 2" (50.8mm)
Yellow, Flexible
$1.80
EC22-DC-51.5 End Cap 22 - 2.03" (51.5mm)
Black, Semi-Rigid
$3.00
EC23-GS-56 End Cap 23 - 2.17" (56mm)
Milky-White, Semi-Rigid
$3.00
EC24-DC-58 End Cap 24 - 2.28" (58mm)
Black, Semi-Rigid
$3.25
EC25-SS-70 End Cap 25 - 2.76" (70mm)
Black, Rigid
$3.25
EC27-DC-76 End Cap 27 - 2.99" (76mm)
Black, Semi-Rigid
$3.25
EC30-DC-83 End Cap 30 - 3.27" (83mm)
Black, Semi-Rigid
$3.75
EC31-DC-84 End Cap 31 - 3.30" (84mm)
Black, Rigid
$3.75
EC32-DC-85.8 End Cap 32 - 3.38" (85.8mm)
Black, Semi-Rigid
$4.25
EC33-DC-95 End Cap 33 - 3.74" (95mm)
Black, Rigid
$5.25
EC35-DC-100 End Cap 35 - 3.94" (100mm)
Black, Semi-Rigid
$5.25 (Out of Stock)
EC36-DC-116 End Cap 36 -4.57" (116mm)
Black, Rigid
$7.50 (Out of Stock)
EC38-DC-137.2 End Cap 38 - 5.40" (137.2mm)
Black, Rigid
$9.00 (Out of Stock)
EC39-DC-143 End Cap 39 - 5.63" (143mm)
Black, Rigid
$10.50
EC41-DC-150 End Cap 41 - 5.91" (150mm)
Black, Rigid
$11.50
EC42-DC-165 End Cap 42 - 6.50" (165mm)
Black, Rigid
$12.50 (Out of Stock)
EC44-DC-195 End Cap 44 - 7.68" (195mm)
Black, Rigid, Metal
$13.50
Check the items you wish to purchase, then click


Oberwerk 20x80mm LW Light Weight Giant Astronomy Binoculars $207.95
Oberwerk 25/40x100mm Military Observation Binoculars with Tripod & Case $1,599.95
Antares 1.25" 2x Apochromatic Barlow Lens $74.00
Blue Fireball 2" Prime Focus T Adapter (2"-to-T Thread Adapter) $29.95
Agena AstroProducts 1.25" Wide Angle (WA) Eyepiece - 12mm $37.00
Antares 1.25" W70 Series Widefield Eyepiece - 9.7mm $69.00
Shopping Cart Software by Volusion