Headcount, uh... 74....as of today....6/9/2015 and yeah, I do use them.
Vivitar M42
35mm 1:2.8 Auto Wide Angle #3705707
Auto 1.1.9 50MM (Japan)
100mm Auto-Tele 1:2.8
200mm Auto-Tele 1.3.5
300mm TX 5.6
400mm/6.3 Lens w/ Lens Caps
Vivitar Close Focus Zoom 1:3.8 75-150mm/2X Custom Tele-Conv/2x1
Auto Telephoto-Zoom 1:4.5-5.6 75-260
Takumar M42
SMC Takumar 28mm/3.5 Lens w/ Lens Cap
SMC Takumar 1:1.4 50mm (VCG, but non-original caps, no case.)
Auto-Takumar 1:1.8 55MM (Good/VGC but with non-original caps and no case...)
Super-Takumar 1:2.8 105mm (VGC to Mint with original caps and case.)
Takumar SMC 1:4.2 200mm (Fair to good condition, came with caps and case, but not perfect.)
Takumar 135mm/3.5 Lens w/ Lens Caps & Lens Case
SMC Takumar 200mm
Super-Takumar 55mm/1.8 Lens w/ Lens Caps & Lens Case
Chinon:
Chinon Auto 55mm 1:1.7 (M42)
Chinon Auto 50mm F1.9 (K)
Chinon 135mm/F2.8 (M42)
Minolta
Minolta Rokkor 45mm f2.8 x2
Sears MC 135mm 1:2.8
MD 50mm 1:2
Misc M42
Auto Capesco 2.8 135mm (Might be Tokina. Nice lens. It's a long closed NYC's store rebranded
lens...)
Cambron Wide-Tele 1:3.5 38-95mm (A Coke bottle bottom would shoot better.)
Auto Super Lentar 1:2.8 (Fair to Ugly Conditon, cleaning marks, dust. Shoots okay, but...)
Auto Rikenon 1:2.8 135mm
Accura Diamatic 1:2.8 28mm
Rikenon 135mm
Pentax K
5 Star 1:3.5-4.8 35-75 MC Auto Zoom
Sears/Ricoh 28-70mm 1:3.5 Auto Zoom (Ricoh Pin Removed)
Sears/Ricoh Auto Zoom MC 28-70 1.35-4.5 (Ricoh Pin Removed, A-KR pin removed, fully manual.)
Sears/Ricoh Auto Zoom 1:3.5-4.5 35-75 (No Ricoh pin...)
Vivitar MC Close Focus Wide Angle SMS 28mm 1:2.8
Takumar Bayonet 1.2.5 135mm (Cosmetically challenged, but shoots okay.)
SMC-Pentax-M 1:2 50mm X2
Ricoh-Rikenon 1:2 50mm (No Ricoh pin...)
Ricoh/Auto Sears MC 1:2.8 135mm
Chinar 1:2.8 28mm
SMC Pentax-M 1:3.5 135mm
SMC Pentax-M 1:1.7 50mm
JC Penny Multi-Coated Optics 1:4.5 f=80-200mm
Albinar ADG 80-200mm 1:3.9 MC
Pentax-A 1.1.7 50mm
Pentax Auto 110/Q Kit
A110 18mmx2
A110 24mmx2
A110 50mmx2
A110 70mmx2
All matching A110 filters present and accounted for, lens hoods also.
Q-02 Zoom 5-15mm F2.8-4.5
Pentax K Digital Auto Focus Lenses
Sigma 28-105MM F/3.8-5.6 UC III
Sigma 18-50 1:3.5-5.6 DC
Sigma DL Macro 1:4-5.6 70-300mm
Tamron AF-Aspherical 1:3.5-5.6 28-80
Tamron AF-Aspherical XR-Macro 1:3.8-5.6 28-200
Tamron AF Aspherical 75-300mm
SMC Pentax-DA 18-55mm F3.5-5.6 AL x2
SMC Pentax-DA 18-55mm F3.5-5.6 AL WR
SMC Pentax-DA 50-200mm F4-5.6 ED WR
SMC DA 18-135WR AL F3.5-5.6
SMC DA 50mm F1.8
Yashica (C/Y)
Tamron-F MC 28mm 1:2.8 (Aperture Ring Issues)
YUS Auto 1:2.8 28mm (Rough looks, but works fine.)
ML 50mm 1.17
ML 135mm 2.8
DSB 1:19 50mm (x2)
Canon
FD 50mm 1:18
Teleconverters
Vivitar 3X-1 Auto Custom TC (M42)
Vivitar 3X-8 Auto Custom TC (M42)
Vivitar 2X-24 Auto TC (C/Y)
RMC Tokina Doubler for PK
E-series 50mm 1:1.8 (X2)
Ananuma Auto Zoom 1:3.5 75-200
Micro 4/3
Lenses
Sigma 19,30
Olympus 17mm, 40-150mm
Fotodiox Macro Extension Tube Set